Live tape
Top 8, mentions 7d10,569TSLA2,456 mentions▲ +0.06SPCX1,973 mentions▲ +0.08GOOGL1,314 mentions▲ +0.04CRWV1,189 mentions▲ +0.04NVDA1,056 mentions▲ +0.07QQQ1,019 mentions▲ +0.05META794 mentions▲ +0.05NBIS768 mentions▲ +0.07

Equity · Basic Materials

WLK

NYSE

Westlake (WLK)

$77.65 +0.77% vs prior close Finazon · prior-day close, indicative (IEX-derived, not the official close)
Price · Chart

This price chart is drawn by TradingView, from their own data, in an embed loaded from their servers. We hold too few licensed daily closes of our own for WLK to draw a line in its place.

Track this symbol on TradingView TradingView chart
Market cap $9.9B
52-week range $56 – $123.44
Avg volume 335.1K

as of Jul 17, 2026

Westlake (WLK) insider trades

SEC Form 4 · last 90 days · newest reported trade 11 Aug 2026

In the 90 days to 21 Oct 2026, Westlake insiders reported 1 open-market sale and no purchases (SEC Form 4); the filings we hold, back to 1 Oct 2025, show no open-market purchase.

Open-market buys 0
Open-market sells 1
Net sold $3.12M
Non-trade filings 10
Date Insider Type Shares Value
11 Aug 2026 Chao Albert Executive Chairman Sell 38,873 $3.12M

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
11 Aug 2026 Chao Albert Executive Chairman Option exercise 38,873 $2.40M
08 Aug 2026 Sheets Jeffrey Wayne Director Option exercise 2,168
08 Aug 2026 Sabat Carolyn Chao Director Option exercise 2,168
08 Aug 2026 NORTHCUTT R BRUCE Director Option exercise 2,168
08 Aug 2026 MCCOLLUM MARK A Director Option exercise 2,168
08 Aug 2026 Lubel Kimberly S Director Option exercise 2,168
08 Aug 2026 Graff Michael J Director Option exercise 2,168
08 Aug 2026 CREGG ROGER A Director Option exercise 2,168
08 Aug 2026 Chao David Tsung-Hung Director Option exercise 2,168
08 Aug 2026 Chao Catherine T. Director Option exercise 2,168

Westlake (WLK) reported financials

SEC EDGAR XBRL SEC EDGAR

Westlake reported revenue of $11.2B for the fiscal year ended 31 Dec 2025. Net income over the same period was −$1.5B.

Figure Reported Period
Revenue $11.2B 31 Dec 2025 fiscal year
Net income −$1.5B 31 Dec 2025 fiscal year
Diluted EPS −$11.70 31 Dec 2025 fiscal year
Total assets $19.4B 30 Jun 2026 at period end
Total equity $8.7B 30 Jun 2026 at period end

Westlake (WLK) earnings

SEC EDGAR

Westlake last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of $2.01; no next date is announced in SEC filings yet.

Date Period EPS Revenue
30 Jun 2026 Q2 2026 $2.01 $3.27B
31 Mar 2026 Q1 2026 −$1.31 $2.65B
31 Dec 2025 FY 2025 −$11.70 $11.17B
30 Sep 2025 Q3 2025 −$6.06 $2.84B
30 Jun 2025 Q2 2025 −$1.11 $2.95B
31 Mar 2025 Q1 2025 −$0.31 $2.85B
31 Dec 2024 FY 2024 $4.64 $12.14B
30 Sep 2024 Q3 2024 $0.83 $3.12B

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

Westlake (WLK) institutional holders (13F)

SEC Form 13F SEC EDGAR

11 of the 45 institutional funds we track reported a Westlake position for the quarter ended 30 Jun 2026 — a combined $306.9M; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
AQR Capital Management Added +503.9% shares 1,570,453 $114.6M
Citadel Advisors Added +47.4% shares 1,054,868 $77.0M
Balyasny Asset Management Added +69.3% shares 625,859 $45.7M
Millennium Management Added +330.7% shares 366,074 $26.7M
D. E. Shaw & Co. Held (±25%) −14.0% shares 200,534 $14.6M
Marshall Wace New position 111,574 $8.1M
Tudor Investment Corp New position 110,710 $8.1M
Point72 Asset Management New position 89,731 $6.6M
Two Sigma Investments New position 45,357 $3.3M
Man Group Trimmed −84.0% shares 25,705 $1.9M

Showing the 10 largest of 11 reported positions. The figures above count all of them.

Congressional trades in Westlake (WLK)

STOCK Act disclosures House disclosures

The most recent congressional trade disclosed in Westlake is a sale by Susie Lee (house, NV), dated 10 Jun 2021.

Date Member Type Amount
10 Jun 2021 filed 13 Jul 2021 Susie Lee house · Democrat–NV Sale $1K–$15K
10 Dec 2020 filed 11 Jan 2021 Susie Lee house · Democrat–NV Purchase $1K–$15K

Westlake (WLK): frequently asked questions

From live data

Have Westlake insiders bought or sold shares recently?

In the 90 days to 21 Oct 2026, Westlake insiders reported 1 open-market sale and no purchases (SEC Form 4); the filings we hold, back to 1 Oct 2025, show no open-market purchase. A further 10 filings were grants, awards, gifts or exercises rather than open-market trades.

How many institutions hold Westlake?

11 of the 45 institutional funds we track reported a Westlake position for the quarter ended 30 Jun 2026, per SEC Form 13F filings.

When did Westlake last report earnings?

Westlake last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of $2.01; no next date is announced in SEC filings yet.

What exchange is Westlake listed on?

Westlake trades on NYSE under the ticker WLK.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

Sources

  1. Finazonprior-day close, indicative (IEX-derived, not the official close)
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
  4. SEC EDGARSEC EDGAR 13F filings
  5. House disclosuresU.S. House of Representatives financial disclosures
  6. SEC EDGARValuation computed from SEC EDGAR filings
  7. Wikipediatext of the lead paragraph, licensed CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — https://en.wikipedia.org/wiki/Westlake_Corporation